CAP-3 Coprime Array for DOA Estimation with Enhanced Uniform Degrees of Freedom and Reduced Mutual Coupling

Penghui Ma,Jianfeng Li,Gaofeng Zhao,Xiaofei Zhang

IEEE Communications Letters（2021）

引用 7|浏览3

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摘要

Compared with nested array, coprime array can significantly alleviate the mutual coupling between array sensors due to the sparser array structure. However, plenty of holes in its difference co-array extremely reduce the achievable number of uniform degrees of freedom(uDOFs). In this letter, a coprime array with prime integer 3(CAP-3) is proposed, in contrast to several well-known nested arrays, w...

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关键词

Sensor arrays,Sensors,Mutual coupling,Array signal processing,Estimation,Direction-of-arrival estimation,Sonar

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